Toro ProForce Debris Service Manual page 57

PRELIMINARY – For Toro Distributor and Toro Company use only.
Removal (Fig. 4)
1. Position machine on a firm, level surface. Make sure
engine is stopped and remove key from the ignition
switch. Chock wheels to prevent machine from moving.
2. To prevent unexpected machine operation, discon-
nect the negative battery cable from the battery termi-
nal. Position disconnected negative cable away from
the negative battery terminal.
3. Remove top grill to allow access to blower assembly
(Fig. 5).
4. Remove blower drive shaft from machine (see Blow-
er Drive Shaft Removal in this section).
5. Remove retaining ring (item 2), wave washer (item
3) and front cap (item 4) from shaft.
NOTE: When loosening nuts that secure rotor assem-
bly to shaft, use a 1 1/4" wrench in flats on shaft to pre-
vent the shaft from turning.
IMPORTANT: The two (2) nuts (item 5) used to se-
cure the rotor assembly to the rotor shaft have left
hand threads. Loosen these nuts by rotating clock-
wise.
6. Loosen and remove outer nut from rotor shaft by ro-
tating nut in a clockwise direction. Then, remove inner
nut by rotating nut clockwise.
7. Slide spacer (item 6), rotor assembly and washer
(item 12) from shaft. Locate and retrieve woodruff key.
NOTE: Component parts for the rotor assembly are not
available. If rotor damage exists, replace complete rotor
assembly.
Installation (Fig. 4)
1. Position woodruff key in slot in rotor shaft. Slide
washer (item 12), rotor assembly and then spacer (item
6) onto shaft.
2. Apply Loctite #242 (or equivalent) to threads on rotor
shaft.
ProForce Debris Blower
NOTE: When installing nuts that secure rotor assembly
to shaft, use a 1 1/4" wrench in flats on shaft to prevent
the shaft from turning.
IMPORTANT: The two (2) nuts (item 5) used to se-
cure the rotor assembly to the rotor shaft have left
hand threads.
3. Install inner nut and torque from 50 to 60 ft−lb (68 to
81 N−m) to secure rotor assembly on shaft. Then, while
holding inner nut to prevent it from turning, install and
torque outer nut from 50 to 60 ft−lb (68 to 81 N−m).
4. Install front cap (item 4), wave washer (item 3) and
retaining ring (item 2) onto shaft.
5. Install blower drive shaft (see Blower Drive Shaft
Installation in this section).
6. Install top grill to machine (Fig. 5).
7. Connect negative battery cable to negative battery
terminal. Tighten nut that secures battery cable from 10
to 15 ft−lb (14 to 20 N−m). Make sure that battery cover
is secured.
1
2
1
5
3
1. Screw
2. Washer
3. Flange nut
Page 5 − 7
4
Figure 5
4. Top grill
5. Side grill
Blower Assembly
1
3
2
1